This is the large circle Chimsoc. It's suitable for use in chimney stack with internal measurements up to those shown above. The Chimsoc itself is actually slightly larger than the sizes shown once inflated. This is to allow it to hold in place.

What's in The Box?

1 x Chimsoc - Large CircleA tough re-useable plastic balloon with our special heat sealed inner section, ensuring no leaks. The Chimsoc is designed to stop chimney draughts and reduce heat loss is chimneys that are not being used. The Chimsoc is slightly curved at one end to allow for a little ventilation.

1 x Hard Plastic Reminder TabA solid red plastic disk, printed with Chimsoc Installed on it, designed to help ensure that you don't forget that your Chimsoc is installed in your chimney stack. Either hang it to the installed Chimsoc by string, so that the tab can be seen hanging in the fireplace opening, or put it in a prominent position in your fireplace.

1 x InstructionsA set of instructions are included with every Chimsoc.

1 x Chimsoc Mouth Inflation HoseA plastic mouth inflation hose (500mm long). This attaches to your Chimsoc and enables you to inflate your Chimsoc by mouth whilst it is in position in your chimney stack.